496 lines
13 KiB
C++
496 lines
13 KiB
C++
#pragma once
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#include "uicommon.h"
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using df::global::enabler;
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using df::global::gps;
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/*
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* List classes
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*/
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template <typename T>
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class ListEntry
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{
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public:
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T elem;
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string text, keywords;
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bool selected;
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UIColor color;
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ListEntry(const string text, const T elem, const string keywords = "", const UIColor color = COLOR_UNSELECTED) :
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elem(elem), text(text), keywords(keywords), selected(false), color(color)
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{
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}
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};
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template <typename T>
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class ListColumn
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{
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public:
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int highlighted_index;
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int display_start_offset;
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unsigned short text_clip_at;
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int32_t bottom_margin, search_margin, left_margin;
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bool multiselect;
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bool allow_null;
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bool auto_select;
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bool allow_search;
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bool feed_mouse_set_highlight;
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bool feed_changed_highlight;
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T default_value;
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ListColumn(const T default_value_ = T())
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{
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bottom_margin = 3;
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clear();
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left_margin = 2;
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search_margin = 63;
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highlighted_index = 0;
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text_clip_at = 0;
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multiselect = false;
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allow_null = true;
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auto_select = false;
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allow_search = true;
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feed_mouse_set_highlight = false;
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feed_changed_highlight = false;
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default_value = default_value_;
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}
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void clear()
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{
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list.clear();
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display_list.clear();
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display_start_offset = 0;
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if (highlighted_index != -1)
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highlighted_index = 0;
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max_item_width = title.length();
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resize();
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}
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void resize()
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{
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display_max_rows = gps->dimy - 4 - bottom_margin;
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}
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void add(const ListEntry<T> &entry)
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{
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list.push_back(entry);
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if (entry.text.length() > size_t(max_item_width))
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max_item_width = entry.text.length();
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}
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void add(const string &text, const T &elem)
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{
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list.push_back(ListEntry<T>(text, elem));
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if (text.length() > size_t(max_item_width))
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max_item_width = text.length();
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}
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int fixWidth()
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{
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if (text_clip_at > 0 && max_item_width > text_clip_at)
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max_item_width = text_clip_at;
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for (auto it = list.begin(); it != list.end(); it++)
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{
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it->text = pad_string(it->text, max_item_width, false);
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}
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return getMaxItemWidth();
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}
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int getMaxItemWidth()
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{
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return left_margin + max_item_width;
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}
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virtual void display_extras(const T &elem, int32_t &x, int32_t &y) const {}
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void display(const bool is_selected_column) const
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{
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int32_t y = 2;
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paint_text(COLOR_TITLE, left_margin, y, title);
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int last_index_able_to_display = display_start_offset + display_max_rows;
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for (int i = display_start_offset; size_t(i) < display_list.size() && i < last_index_able_to_display; i++)
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{
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++y;
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UIColor fg_color = (is_selected_column && display_list[i]->selected) ? COLOR_SELECTED : display_list[i]->color;
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UIColor bg_color = (is_selected_column && i == highlighted_index) ? COLOR_HIGHLIGHTED : COLOR_BLACK;
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string item_label = display_list[i]->text;
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if (text_clip_at > 0 && item_label.length() > text_clip_at)
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item_label.resize(text_clip_at);
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paint_text(fg_color, left_margin, y, item_label, bg_color);
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int x = left_margin + display_list[i]->text.length() + 1;
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display_extras(display_list[i]->elem, x, y);
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}
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if (is_selected_column && allow_search)
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{
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y = gps->dimy - 3;
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int32_t x = search_margin;
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OutputHotkeyString(x, y, "Search" ,"S");
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OutputString(COLOR_WHITE, x, y, ": ");
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OutputString(COLOR_WHITE, x, y, search_string);
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OutputString(COLOR_LIGHTGREEN, x, y, "_");
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}
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}
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virtual void tokenizeSearch (vector<string> *dest, const string search)
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{
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if (!search.empty())
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split_string(dest, to_search_normalized(search), " ");
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}
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virtual bool showEntry(const ListEntry<T> *entry, const vector<string> &search_tokens)
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{
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if (!search_tokens.empty())
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{
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string item_string = to_search_normalized(entry->text);
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for (auto si = search_tokens.begin(); si != search_tokens.end(); si++)
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{
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if (!si->empty() && item_string.find(*si) == string::npos &&
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entry->keywords.find(*si) == string::npos)
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{
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return false;
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}
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}
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}
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return true;
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}
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void filterDisplay()
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{
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ListEntry<T> *prev_selected = (getDisplayListSize() > 0) ? display_list[highlighted_index] : NULL;
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display_list.clear();
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search_string = to_search_normalized(search_string);
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vector<string> search_tokens;
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tokenizeSearch(&search_tokens, to_search_normalized(search_string));
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for (size_t i = 0; i < list.size(); i++)
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{
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ListEntry<T> *entry = &list[i];
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if (showEntry(entry, search_tokens))
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{
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display_list.push_back(entry);
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if (entry == prev_selected)
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highlighted_index = display_list.size() - 1;
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}
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else if (auto_select)
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{
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entry->selected = false;
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}
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}
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changeHighlight(0);
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feed_changed_highlight = true;
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}
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void selectDefaultEntry()
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{
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for (size_t i = 0; i < display_list.size(); i++)
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{
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if (display_list[i]->selected)
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{
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highlighted_index = i;
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break;
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}
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}
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}
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void centerSelection()
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{
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if (display_list.size() == 0)
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return;
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display_start_offset = highlighted_index - (display_max_rows / 2);
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validateDisplayOffset();
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validateHighlight();
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}
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void validateHighlight()
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{
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set_to_limit(highlighted_index, display_list.size() - 1);
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if (highlighted_index < display_start_offset)
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display_start_offset = highlighted_index;
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else if (highlighted_index >= display_start_offset + display_max_rows)
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display_start_offset = highlighted_index - display_max_rows + 1;
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if (auto_select || (!allow_null && list.size() == 1))
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display_list[highlighted_index]->selected = true;
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feed_changed_highlight = true;
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}
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void changeHighlight(const int highlight_change, const int offset_shift = 0)
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{
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if (!initHighlightChange())
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return;
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highlighted_index += highlight_change + offset_shift * display_max_rows;
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display_start_offset += offset_shift * display_max_rows;
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validateDisplayOffset();
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validateHighlight();
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}
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void validateDisplayOffset()
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{
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set_to_limit(display_start_offset, max(0, (int)(display_list.size())-display_max_rows));
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}
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void setHighlight(const int index)
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{
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if (!initHighlightChange())
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return;
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highlighted_index = index;
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validateHighlight();
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}
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bool initHighlightChange()
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{
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if (display_list.size() == 0)
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return false;
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if (auto_select && !multiselect)
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{
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for (auto it = list.begin(); it != list.end(); it++)
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{
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it->selected = false;
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}
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}
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return true;
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}
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void toggleHighlighted()
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{
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if (display_list.size() == 0)
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return;
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if (auto_select)
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return;
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ListEntry<T> *entry = display_list[highlighted_index];
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if (!multiselect || !allow_null)
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{
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int selected_count = 0;
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for (size_t i = 0; i < list.size(); i++)
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{
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if (!multiselect && !entry->selected)
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list[i].selected = false;
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if (!allow_null && list[i].selected)
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selected_count++;
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}
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if (!allow_null && entry->selected && selected_count == 1)
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return;
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}
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entry->selected = !entry->selected;
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}
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vector<T> getSelectedElems(bool only_one = false)
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{
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vector<T> results;
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for (auto it = list.begin(); it != list.end(); it++)
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{
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if ((*it).selected)
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{
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results.push_back(it->elem);
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if (only_one)
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break;
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}
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}
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return results;
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}
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T getFirstSelectedElem()
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{
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vector<T> results = getSelectedElems(true);
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if (results.size() == 0)
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return default_value;
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else
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return results[0];
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}
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bool hasSelection()
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{
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for (auto item : list)
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{
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if (item.selected)
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{
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return true;
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}
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}
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return false;
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}
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void clearSelection()
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{
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for_each_(list, clear_fn);
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}
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void selectItem(const T elem)
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{
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for (size_t i = 0; i < display_list.size(); i++)
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{
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if (display_list[i]->elem == elem)
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{
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setHighlight(i);
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break;
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}
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}
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}
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void clearSearch()
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{
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search_string.clear();
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filterDisplay();
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}
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size_t getDisplayListSize()
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{
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return display_list.size();
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}
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vector<ListEntry<T>*> &getDisplayList()
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{
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return display_list;
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}
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size_t getBaseListSize()
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{
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return list.size();
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}
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virtual bool validSearchInput (unsigned char c)
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{
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return (c >= 'a' && c <= 'z') || c == ' ';
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}
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bool feed(set<df::interface_key> *input)
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{
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feed_mouse_set_highlight = feed_changed_highlight = false;
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if (input->count(interface_key::STANDARDSCROLL_UP))
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{
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changeHighlight(-1);
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}
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else if (input->count(interface_key::STANDARDSCROLL_DOWN))
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{
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changeHighlight(1);
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}
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else if (input->count(interface_key::STANDARDSCROLL_PAGEUP))
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{
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changeHighlight(0, -1);
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}
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else if (input->count(interface_key::STANDARDSCROLL_PAGEDOWN))
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{
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changeHighlight(0, 1);
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}
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else if (input->count(interface_key::SELECT) && !auto_select)
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{
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toggleHighlighted();
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}
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else if (input->count(interface_key::CUSTOM_SHIFT_S))
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{
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clearSearch();
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}
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else if (enabler->tracking_on && gps->mouse_x != -1 && gps->mouse_y != -1 && enabler->mouse_lbut)
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{
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return setHighlightByMouse();
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}
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else if (allow_search)
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{
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// Search query typing mode always on
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df::interface_key last_token = get_string_key(input);
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int charcode = Screen::keyToChar(last_token);
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if (charcode >= 0 && validSearchInput((unsigned char)charcode))
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{
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// Standard character
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search_string += char(charcode);
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filterDisplay();
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centerSelection();
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}
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else if (last_token == interface_key::STRING_A000)
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{
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// Backspace
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if (search_string.length() > 0)
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{
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search_string.erase(search_string.length()-1);
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filterDisplay();
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centerSelection();
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}
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}
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else
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{
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return false;
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}
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return true;
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}
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else
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{
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return false;
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}
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return true;
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}
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bool setHighlightByMouse()
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{
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if (gps->mouse_y >= 3 && gps->mouse_y < display_max_rows + 3 &&
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gps->mouse_x >= left_margin && gps->mouse_x < left_margin + max_item_width)
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{
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int new_index = display_start_offset + gps->mouse_y - 3;
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if (size_t(new_index) < display_list.size())
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{
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setHighlight(new_index);
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feed_mouse_set_highlight = true;
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}
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enabler->mouse_lbut = enabler->mouse_rbut = 0;
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return true;
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}
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return false;
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}
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void sort(bool force_sort = false)
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{
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if (force_sort || list.size() < 100)
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std::sort(list.begin(), list.end(), sort_fn);
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filterDisplay();
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}
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void setTitle(const string t)
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{
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title = t;
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if (title.length() > size_t(max_item_width))
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max_item_width = title.length();
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}
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size_t getDisplayedListSize()
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{
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return display_list.size();
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}
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protected:
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static void clear_fn(ListEntry<T> &e) { e.selected = false; }
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static bool sort_fn(ListEntry<T> const& a, ListEntry<T> const& b) { return a.text.compare(b.text) < 0; }
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vector<ListEntry<T>> list;
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vector<ListEntry<T>*> display_list;
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string search_string;
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string title;
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int display_max_rows;
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int max_item_width;
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};
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